Pith Number

pith:FDUX5B4S

pith:2018:FDUX5B4SEKOSAS7W6TCBXNEWGI

not attested not anchored not stored refs pending

Stability of the potential function

Catherine Erbes, Michael Ferrara, Paul Wenger, Ryan R. Martin

arxiv:1810.07794 v1 · 2018-10-17 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDUX5B4SEKOSAS7W6TCBXNEWGI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:02:54.214855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e97e8792229d204bf6f4c41bb49632027dccf43bfdd1c82eceb7fa22d2354e

Aliases

arxiv: 1810.07794 · arxiv_version: 1810.07794v1 · doi: 10.48550/arxiv.1810.07794 · pith_short_12: FDUX5B4SEKOS · pith_short_16: FDUX5B4SEKOSAS7W · pith_short_8: FDUX5B4S

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FDUX5B4SEKOSAS7W6TCBXNEWGI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 28e97e8792229d204bf6f4c41bb49632027dccf43bfdd1c82eceb7fa22d2354e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635668795f1dcc7968c59ee11feea94e5a4df124b8082480a31c7d15b9723101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-17T21:01:05Z",
    "title_canon_sha256": "2179574451f3615dc0543c998b0bba717878e7fc37fdbbbf6dd5b106856d15cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07794",
    "kind": "arxiv",
    "version": 1
  }
}